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norpallaun.exe

Norpalla

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application norpallaun.exe by Norpalla has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. This is the uninstaller utility registered in the Windows Control Panel for the program Norpalla by Norpalla.
Publisher:
Norpalla  (signed and verified)

Version:
1.0.0.0

MD5:
3a97022190ecc83f6864f8243fe9aa64

SHA-1:
8b239634f80030e547ae5e2bf708be30855ac64b

SHA-256:
0986c552b455939689653fa68407c4c34e6746725148df7042048a8ddcedb5fe

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Belongs to the Sambreel/Yontoo progam that inserts various forms of advertising in the user's web browser, installed with minimal or no user consent.

Analysis date:
11/27/2024 4:25:55 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.5.4

File size:
538.7 KB (551,664 bytes)

Product version:
1.0.0.0

Original file name:
Norpalla Uninstaller.exe

File type:
Executable application (Win32 EXE)

Common path:
C:\Program Files\norpalla\norpallaun.exe

Digital Signature
Signed by:
Norpalla

Authority:
VeriSign, Inc.

Valid from:
2/4/2015 9:00:00 AM

Valid to:
3/6/2016 8:59:59 AM

Subject:
CN=Norpalla, O=Norpalla, L=Santa Monica, S=California, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
55563FE7BF8D78C460B5A075AEDD94EA

File PE Metadata
Compilation timestamp:
4/11/2015 8:52:03 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

.NET CLR dependent:
Yes

Entry address:
0x84AFB

Entry point:
FF, 25, 00, 20, 40, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
6.1266

Developed / compiled with:
Microsoft Visual C# / Basic .NET

Code size:
523 KB (535,552 bytes)

Program Uninstaller
Program name:
Norpalla

Display publisher:
Norpalla

Display version:
2014.05.30.084518

Uninstall string:
C:\Program Files\Norpalla\NorpallaUn.exe OFS_


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